/* in.h - internet header file */

/*
 * Copyright (c) 1984-2005 Wind River Systems, Inc.
 *
 * The right to copy, distribute or otherwise make use of this software
 * may be licensed only pursuant to the terms of an applicable Wind River
 * license agreement. No license to Wind River intellectual property rights
 * is granted herein. All rights not licensed by Wind River are reserved
 * by Wind River.
 */

/*
 * Copyright (c) 2002 INRIA. All rights reserved.
 *
 * Implementation of Internet Group Management Protocol, Version 3.
 * Developed by Hitoshi Asaeda, INRIA, February 2002.
 *
 * Redistribution and use in source and binary forms, with or without
 * modification, are permitted provided that the following conditions
 * are met:
 * 1. Redistributions of source code must retain the above copyright
 *    notice, this list of conditions and the following disclaimer.
 * 2. Redistributions in binary form must reproduce the above copyright
 *    notice, this list of conditions and the following disclaimer in the
 *    documentation and/or other materials provided with the distribution.
 * 3. Neither the name of INRIA nor the names of its contributors may be
 *    used to endorse or promote products derived from this software
 *    without specific prior written permission.
 *
 * THIS SOFTWARE IS PROVIDED BY THE INSTITUTE AND CONTRIBUTORS ``AS IS'' AND
 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
 * ARE DISCLAIMED.  IN NO EVENT SHALL THE INSTITUTE OR CONTRIBUTORS BE LIABLE
 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
 * SUCH DAMAGE.
 */

/*
 * Copyright (c) 1982, 1986, 1990, 1993
 *	The Regents of the University of California.  All rights reserved.
 *
 * Redistribution and use in source and binary forms, with or without
 * modification, are permitted provided that the following conditions
 * are met:
 * 1. Redistributions of source code must retain the above copyright
 *    notice, this list of conditions and the following disclaimer.
 * 2. Redistributions in binary form must reproduce the above copyright
 *    notice, this list of conditions and the following disclaimer in the
 *    documentation and/or other materials provided with the distribution.
 * 3. All advertising materials mentioning features or use of this software
 *    must display the following acknowledgement:
 *	This product includes software developed by the University of
 *	California, Berkeley and its contributors.
 * 4. Neither the name of the University nor the names of its contributors
 *    may be used to endorse or promote products derived from this software
 *    without specific prior written permission.
 *
 * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
 * ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
 * SUCH DAMAGE.
 *
 *	@(#)in.h	8.3 (Berkeley) 1/3/94
 * $FreeBSD: src/sys/netinet/in.h,v 1.48.2.12 2004/06/16 06:57:49 ru Exp $
 * $FreeBSD: src/sys/netinet/in.h,v 1.48.2.11 2003/09/09 19:09:22 bms Exp $
 */

/*
modification history
--------------------
02d,25aug05,dlk  Add section tags.
02c,18may05,kch  Merged from FreeBSD v 1.48.2.12.
02b,19apr05,rp   merged from comp_wn_ipv6_mld_interim-dev
02a,18apr05,vvv  included in6.h for user-space
01z,03mar05,vvv  removed reference to _KERNEL
01y,25feb05,niq  merge from niqbal.tor3.mroute for IP router alert changes
01x,17feb05,dlk  NTOHL() etc. only usable as statements, not expressions.
01w,07feb05,vvv  _KERNEL cleanup
01v,24jan05,vvv  osdep.h cleanup
01u,20jan05,sar  Removal of divert, dummynet and fw code.
01t,14oct04,nee  include osdep.h and machdep.h when _KERNEL is defined
                 (SPR #102593)
01s,31may04,nee  Adding macro IN_ADDR_IS_LINKLOCAL
01r,25nov03,ppp  added a comment before the inclusion of in6.h
01q,21nov03,ppp  rtp work
01p,04nov03,rlm  Ran batch header path update for header re-org.
01o,03nov03,rlm  Removed wrn/coreip/ prefix from #includes for header re-org.
01n,23oct03,rlm  updated #includes for header re-org
01m,07aug03,niq  Merging from Accordion label ACCORDION_BASE6_MERGE_BASELINE
01l,13jun03,syy  Added declaration for inet_ntoa_b() (SPR#88384)
01k,15may03,vvv  included mbuf.h
01j,09may03,vvv  included vxWorks.h
01i,01feb03,pas  merge from FreeBSD 4.7 - moved satosin() etc here
01h,09sep02,hsh  add c++ protection
01g,15jul02,ann  moved the early declaration of some structures to avoid
                 compilation warnings
01f,08feb02,nee  making in_socktrim non static
01e,02oct01,ppp  Removing the INET6 guard fot in6.h
01d,18sep01,qli  fixed a header inclusion error
01c,18sep01,ppp  guarding the inclusion of in6.h by INET6 for the link
                 temporarily
01b,23aug01,ppp  Adding the WindRiver copyright
01a,08aug01,ppp  Created from FreeBSD 4.3
*/

#ifndef _NETINET_IN_H_
#define _NETINET_IN_H_
 
#include <vxWorks.h>

#ifdef _WRS_KERNEL
#include <net/mbuf.h>
#endif

#ifdef __cplusplus
extern "C" {
#endif

#include <sys/socket.h>
    
/*
 * Constants and structures defined by the internet system,
 * Per RFC 790, September 1981, and numerous additions.
 */

/*
 * Protocols (RFC 1700)
 */
#define	IPPROTO_IP		0		/* dummy for IP */
#define	IPPROTO_HOPOPTS		0		/* IP6 hop-by-hop options */
#define	IPPROTO_ICMP		1		/* control message protocol */
#define	IPPROTO_IGMP		2		/* group mgmt protocol */
#define	IPPROTO_GGP		3		/* gateway^2 (deprecated) */
#define IPPROTO_IPV4		4 		/* IPv4 encapsulation */
#define IPPROTO_IPIP		IPPROTO_IPV4	/* for compatibility */
#define	IPPROTO_TCP		6		/* tcp */
#define	IPPROTO_ST		7		/* Stream protocol II */
#define	IPPROTO_EGP		8		/* exterior gateway protocol */
#define	IPPROTO_PIGP		9		/* private interior gateway */
#define	IPPROTO_RCCMON		10		/* BBN RCC Monitoring */
#define	IPPROTO_NVPII		11		/* network voice protocol*/
#define	IPPROTO_PUP		12		/* pup */
#define	IPPROTO_ARGUS		13		/* Argus */
#define	IPPROTO_EMCON		14		/* EMCON */
#define	IPPROTO_XNET		15		/* Cross Net Debugger */
#define	IPPROTO_CHAOS		16		/* Chaos*/
#define	IPPROTO_UDP		17		/* user datagram protocol */
#define	IPPROTO_MUX		18		/* Multiplexing */
#define	IPPROTO_MEAS		19		/* DCN Measurement Subsystems */
#define	IPPROTO_HMP		20		/* Host Monitoring */
#define	IPPROTO_PRM		21		/* Packet Radio Measurement */
#define	IPPROTO_IDP		22		/* xns idp */
#define	IPPROTO_TRUNK1		23		/* Trunk-1 */
#define	IPPROTO_TRUNK2		24		/* Trunk-2 */
#define	IPPROTO_LEAF1		25		/* Leaf-1 */
#define	IPPROTO_LEAF2		26		/* Leaf-2 */
#define	IPPROTO_RDP		27		/* Reliable Data */
#define	IPPROTO_IRTP		28		/* Reliable Transaction */
#define	IPPROTO_TP		29 		/* tp-4 w/ class negotiation */
#define	IPPROTO_BLT		30		/* Bulk Data Transfer */
#define	IPPROTO_NSP		31		/* Network Services */
#define	IPPROTO_INP		32		/* Merit Internodal */
#define	IPPROTO_SEP		33		/* Sequential Exchange */
#define	IPPROTO_3PC		34		/* Third Party Connect */
#define	IPPROTO_IDPR		35		/* InterDomain Policy Routing */
#define	IPPROTO_XTP		36		/* XTP */
#define	IPPROTO_DDP		37		/* Datagram Delivery */
#define	IPPROTO_CMTP		38		/* Control Message Transport */
#define	IPPROTO_TPXX		39		/* TP++ Transport */
#define	IPPROTO_IL		40		/* IL transport protocol */
#define	IPPROTO_IPV6		41		/* IP6 header */
#define	IPPROTO_SDRP		42		/* Source Demand Routing */
#define	IPPROTO_ROUTING		43		/* IP6 routing header */
#define	IPPROTO_FRAGMENT	44		/* IP6 fragmentation header */
#define	IPPROTO_IDRP		45		/* InterDomain Routing*/
#define	IPPROTO_RSVP		46 		/* resource reservation */
#define	IPPROTO_GRE		47		/* General Routing Encap. */
#define	IPPROTO_MHRP		48		/* Mobile Host Routing */
#define	IPPROTO_BHA		49		/* BHA */
#define	IPPROTO_ESP		50		/* IP6 Encap Sec. Payload */
#define	IPPROTO_AH		51		/* IP6 Auth Header */
#define	IPPROTO_INLSP		52		/* Integ. Net Layer Security */
#define	IPPROTO_SWIPE		53		/* IP with encryption */
#define	IPPROTO_NHRP		54		/* Next Hop Resolution */
#define	IPPROTO_MOBILE		55		/* IP Mobility */
/* 56-57: Unassigned */
#define	IPPROTO_ICMPV6		58		/* ICMP6 */
#define	IPPROTO_NONE		59		/* IP6 no next header */
#define	IPPROTO_DSTOPTS		60		/* IP6 destination option */
#define	IPPROTO_AHIP		61		/* any host internal protocol */
#define	IPPROTO_CFTP		62		/* CFTP */
#define	IPPROTO_HELLO		63		/* "hello" routing protocol */
#define	IPPROTO_SATEXPAK	64		/* SATNET/Backroom EXPAK */
#define	IPPROTO_KRYPTOLAN	65		/* Kryptolan */
#define	IPPROTO_RVD		66		/* Remote Virtual Disk */
#define	IPPROTO_IPPC		67		/* Pluribus Packet Core */
#define	IPPROTO_ADFS		68		/* Any distributed FS */
#define	IPPROTO_SATMON		69		/* Satnet Monitoring */
#define	IPPROTO_VISA		70		/* VISA Protocol */
#define	IPPROTO_IPCV		71		/* Packet Core Utility */
#define	IPPROTO_CPNX		72		/* Comp. Prot. Net. Executive */
#define	IPPROTO_CPHB		73		/* Comp. Prot. HeartBeat */
#define	IPPROTO_WSN		74		/* Wang Span Network */
#define	IPPROTO_PVP		75		/* Packet Video Protocol */
#define	IPPROTO_BRSATMON	76		/* BackRoom SATNET Monitoring */
#define	IPPROTO_ND		77		/* Sun net disk proto (temp.) */
#define	IPPROTO_WBMON		78		/* WIDEBAND Monitoring */
#define	IPPROTO_WBEXPAK		79		/* WIDEBAND EXPAK */
#define	IPPROTO_EON		80		/* ISO cnlp */
#define	IPPROTO_VMTP		81		/* VMTP */
#define	IPPROTO_SVMTP		82		/* Secure VMTP */
#define	IPPROTO_VINES		83		/* Banyon VINES */
#define	IPPROTO_TTP		84		/* TTP */
#define	IPPROTO_IGP		85		/* NSFNET-IGP */
#define	IPPROTO_DGP		86		/* dissimilar gateway prot. */
#define	IPPROTO_TCF		87		/* TCF */
#define	IPPROTO_IGRP		88		/* Cisco/GXS IGRP */
#define	IPPROTO_OSPFIGP		89		/* OSPFIGP */
#define	IPPROTO_SRPC		90		/* Strite RPC protocol */
#define	IPPROTO_LARP		91		/* Locus Address Resoloution */
#define	IPPROTO_MTP		92		/* Multicast Transport */
#define	IPPROTO_AX25		93		/* AX.25 Frames */
#define	IPPROTO_IPEIP		94		/* IP encapsulated in IP */
#define	IPPROTO_MICP		95		/* Mobile Int.ing control */
#define	IPPROTO_SCCSP		96		/* Semaphore Comm. security */
#define	IPPROTO_ETHERIP		97		/* Ethernet IP encapsulation */
#define	IPPROTO_ENCAP		98		/* encapsulation header */
#define	IPPROTO_APES		99		/* any private encr. scheme */
#define	IPPROTO_GMTP		100		/* GMTP*/
#define	IPPROTO_IPCOMP		108		/* payload compression (IPComp) */
#define	IPPROTO_PIM		103		/* Protocol Independent Mcast */
#define	IPPROTO_PGM		113		/* PGM */
#define IPPROTO_SCTP		132		/* SCTP (RFC2960) */
/* 134-254: Partly Unassigned */
#define	IPPROTO_MH		135		/* IPv6 Mobility Header */
/* 255: Reserved */
/* BSD Private, local use, namespace incursion */
#define	IPPROTO_DIVERT		254		/* divert pseudo-protocol */
#define	IPPROTO_RAW		255		/* raw IP packet */
#define	IPPROTO_MAX		256

/* last return value of *_input(), meaning "all job for this pkt is done".  */
#define	IPPROTO_DONE		257

/*
 * Local port number conventions:
 *
 * When a user does a bind(2) or connect(2) with a port number of zero,
 * a non-conflicting local port address is chosen.
 * The default range is IPPORT_RESERVED through
 * IPPORT_USERRESERVED, although that is settable by sysctl.
 *
 * A user may set the IPPROTO_IP option IP_PORTRANGE to change this
 * default assignment range.
 *
 * The value IP_PORTRANGE_DEFAULT causes the default behavior.
 *
 * The value IP_PORTRANGE_HIGH changes the range of candidate port numbers
 * into the "high" range.  These are reserved for client outbound connections
 * which do not want to be filtered by any firewalls.
 *
 * The value IP_PORTRANGE_LOW changes the range to the "low" are
 * that is (by convention) restricted to privileged processes.  This
 * convention is based on "vouchsafe" principles only.  It is only secure
 * if you trust the remote host to restrict these ports.
 *
 * The default range of ports and the high range can be changed by
 * sysctl(3).  (net.inet.ip.port{hi,low}{first,last}_auto)
 *
 * Changing those values has bad security implications if you are
 * using a a stateless firewall that is allowing packets outside of that
 * range in order to allow transparent outgoing connections.
 *
 * Such a firewall configuration will generally depend on the use of these
 * default values.  If you change them, you may find your Security
 * Administrator looking for you with a heavy object.
 *
 * For a slightly more orthodox text view on this:
 *
 *            ftp://ftp.isi.edu/in-notes/iana/assignments/port-numbers
 *
 *    port numbers are divided into three ranges:
 *
 *                0 -  1023 Well Known Ports
 *             1024 - 49151 Registered Ports
 *            49152 - 65535 Dynamic and/or Private Ports
 *
 */

/*
 * Ports < IPPORT_RESERVED are reserved for
 * privileged processes (e.g. root).         (IP_PORTRANGE_LOW)
 * Ports > IPPORT_USERRESERVED are reserved
 * for servers, not necessarily privileged.  (IP_PORTRANGE_DEFAULT)
 */
#define	IPPORT_RESERVED		1024
#define	IPPORT_USERRESERVED	5000

/*
 * Default local port range to use by setting IP_PORTRANGE_HIGH
 */
#define	IPPORT_HIFIRSTAUTO	49152
#define	IPPORT_HILASTAUTO	65535

/*
 * Scanning for a free reserved port return a value below IPPORT_RESERVED,
 * but higher than IPPORT_RESERVEDSTART.  Traditionally the start value was
 * 512, but that conflicts with some well-known-services that firewalls may
 * have a fit if we use.
 */
#define IPPORT_RESERVEDSTART	600

/*
 * Internet address (a structure for historical reasons)
 */

typedef u_int32_t       in_addr_t;

struct in_addr {
	in_addr_t s_addr;
};

/*
 * Definitions of bits in internet address integers.
 * On subnets, the decomposition of addresses to host and net parts
 * is done according to subnet mask, not the masks here.
 */
#define	IN_CLASSA(i)		(((u_int32_t)(i) & 0x80000000) == 0)
#define	IN_CLASSA_NET		0xff000000
#define	IN_CLASSA_NSHIFT	24
#define	IN_CLASSA_HOST		0x00ffffff
#define	IN_CLASSA_MAX		128

#define	IN_CLASSB(i)		(((u_int32_t)(i) & 0xc0000000) == 0x80000000)
#define	IN_CLASSB_NET		0xffff0000
#define	IN_CLASSB_NSHIFT	16
#define	IN_CLASSB_HOST		0x0000ffff
#define	IN_CLASSB_MAX		65536

#define	IN_CLASSC(i)		(((u_int32_t)(i) & 0xe0000000) == 0xc0000000)
#define	IN_CLASSC_NET		0xffffff00
#define	IN_CLASSC_NSHIFT	8
#define	IN_CLASSC_HOST		0x000000ff

#define	IN_CLASSD(i)		(((u_int32_t)(i) & 0xf0000000) == 0xe0000000)
#define	IN_CLASSD_NET		0xf0000000	/* These ones aren't really */
#define	IN_CLASSD_NSHIFT	28		/* net and host fields, but */
#define	IN_CLASSD_HOST		0x0fffffff	/* routing needn't know.    */
#define	IN_MULTICAST(i)		IN_CLASSD(i)

#define	IN_EXPERIMENTAL(i)	(((u_int32_t)(i) & 0xf0000000) == 0xf0000000)
#define	IN_BADCLASS(i)		(((u_int32_t)(i) & 0xf0000000) == 0xf0000000)

#define IN_LOCAL_GROUP(i)	(((u_int32_t)(i) & 0xffffff00) == 0xe0000000)

#define	INADDR_ANY		(u_int32_t)0x00000000
#define	INADDR_LOOPBACK		(u_int32_t)0x7f000001
#define	INADDR_BROADCAST	(u_int32_t)0xffffffff	/* must be masked */
#define	INADDR_NONE		0xffffffff		/* -1 return */

#define	INADDR_UNSPEC_GROUP	(u_int32_t)0xe0000000	/* 224.0.0.0 */
#define	INADDR_ALLHOSTS_GROUP	(u_int32_t)0xe0000001	/* 224.0.0.1 */
#define	INADDR_ALLRTRS_GROUP	(u_int32_t)0xe0000002	/* 224.0.0.2 */
#define	INADDR_NEW_ALLRTRS_GROUP	(u_int32_t)0xe0000016	/* 224.0.0.22 */
#define	INADDR_MAX_LOCAL_GROUP	(u_int32_t)0xe00000ff	/* 224.0.0.255 */

#define	IN_LOOPBACKNET		127			/* official! */

#define IN_ADDR_IS_LINKLOCAL(i) (((i)[0] == 169) && ((i)[1] == 254))

#if _BYTE_ORDER == _BIG_ENDIAN

#define ntohl(x)        (x)
#define ntohs(x)        (x)
#define htonl(x)        (x)
#define htons(x)        (x)

#define NTOHL(x)        do {} while (FALSE)
#define NTOHS(x)        do {} while (FALSE)
#define HTONL(x)        do {} while (FALSE)
#define HTONS(x)        do {} while (FALSE)

#else

#define ntohl(x)        ((((x) & 0x000000ff) << 24) | \
                         (((x) & 0x0000ff00) <<  8) | \
                         (((x) & 0x00ff0000) >>  8) | \
                         (((x) & 0xff000000) >> 24))

#define htonl(x)        ((((x) & 0x000000ff) << 24) | \
                         (((x) & 0x0000ff00) <<  8) | \
                         (((x) & 0x00ff0000) >>  8) | \
                         (((x) & 0xff000000) >> 24))

#define ntohs(x)        ((((x) & 0x00ff) << 8) | \
                         (((x) & 0xff00) >> 8))

#define htons(x)        ((((x) & 0x00ff) << 8) | \
                         (((x) & 0xff00) >> 8))

#define NTOHL(x)        do {(x) = ntohl((u_long)(x)); } while (FALSE)
#define NTOHS(x)        do {(x) = ntohs((u_short)(x)); } while (FALSE)
#define HTONL(x)        do {(x) = htonl((u_long)(x)); } while (FALSE)
#define HTONS(x)        do {(x) = htons((u_short)(x)); } while (FALSE)

#endif /* _BYTE_ORDER */


/*
 * Socket address, internet style.
 */
struct sockaddr_in {
	u_char	sin_len;
	u_char	sin_family;
	u_short	sin_port;
	struct	in_addr sin_addr;
	char	sin_zero[8];
};

#define	INET_ADDRSTRLEN                 16

/*
 * Options for use with [gs]etsockopt at the IP level.
 * First word of comment is data type; bool is stored in int.
 */
#define	IP_OPTIONS		1    /* buf/ip_opts; set/get IP options */
#define	IP_HDRINCL		2    /* int; header is included with data */
#define	IP_TOS			3    /* int; IP type of service and preced. */
#define	IP_TTL			4    /* int; IP time to live */
#define	IP_RECVOPTS		5    /* bool; receive all IP opts w/dgram */
#define	IP_RECVRETOPTS		6    /* bool; receive IP opts for response */
#define	IP_RECVDSTADDR		7    /* bool; receive IP dst addr w/dgram */
#define	IP_RETOPTS		8    /* ip_opts; set/get IP options */
#define	IP_MULTICAST_IF		9    /* u_char; set/get IP multicast i/f  */
#define	IP_MULTICAST_TTL	10   /* u_char; set/get IP multicast ttl */
#define	IP_MULTICAST_LOOP	11   /* u_char; set/get IP multicast loopback */
#define	IP_ADD_MEMBERSHIP	12   /* ip_mreq; add an IP group membership */
#define	IP_DROP_MEMBERSHIP	13   /* ip_mreq; drop an IP group membership */
#define IP_MULTICAST_VIF	14   /* set/get IP mcast virt. iface */

#define IP_RSVP_ON		15   /* enable RSVP in kernel */
#define IP_RSVP_OFF		16   /* disable RSVP in kernel */
/* 
 * Removed the IP_RSVP_VIF_ON/IP_RSVP_VIF_OFF as we support router alert
 * through the IP_ROUTER_ALERT option (defined below)
 */

#define IP_PORTRANGE		19   /* int; range to choose for unspec port */
#define	IP_RECVIF		20   /* bool; receive reception if w/dgram */
/* for IPSEC */
#define	IP_IPSEC_POLICY		21   /* int; set/get security policy */
#define	IP_FAITH		22   /* bool; accept FAITH'ed connections */
#define	IP_BLOCK_SOURCE		23   /* ip_mreq_source; block data from a src */
#define	IP_UNBLOCK_SOURCE	24   /* ip_mreq_source; undo block filter */
#define	IP_ADD_SOURCE_MEMBERSHIP 25  /* ip_mreq_source; add a single source */
#define	IP_DROP_SOURCE_MEMBERSHIP 26 /* ip_mreq_source; drop a single source */

/* MCAST_* sockopts number should not be duplicated with IPv6-level sockopts */
#define	MCAST_JOIN_GROUP	70   /* group_req; */
#define	MCAST_BLOCK_SOURCE	71   /* group_source_req; */
#define	MCAST_UNBLOCK_SOURCE	72   /* group_source_req; */
#define	MCAST_LEAVE_GROUP	73   /* group_req; */
#define	MCAST_JOIN_SOURCE_GROUP	74   /* group_source_req; */
#define	MCAST_LEAVE_SOURCE_GROUP 75  /* group_source_req; */

#define	IP_ONESBCAST		27   /* bool: send all-ones broadcast */

#define	IP_ROUTER_ALERT		23   /* bool; accept router alert packets */

/* We currently don't support the ip_fw and ip_dummynet options.  They are
 * retained in this file for consistency with other systems
 */
#if 0
#define	IP_FW_ADD     		50   /* add a firewall rule to chain */
#define	IP_FW_DEL    		51   /* delete a firewall rule from chain */
#define	IP_FW_FLUSH   		52   /* flush firewall rule chain */
#define	IP_FW_ZERO    		53   /* clear single/all firewall counter(s) */
#define	IP_FW_GET     		54   /* get entire firewall rule chain */
#define	IP_FW_RESETLOG		55   /* reset logging counters */

#define	IP_DUMMYNET_CONFIGURE	60   /* add/configure a dummynet pipe */
#define	IP_DUMMYNET_DEL		61   /* delete a dummynet pipe from chain */
#define	IP_DUMMYNET_FLUSH	62   /* flush dummynet */
#define	IP_DUMMYNET_GET		64   /* get entire dummynet pipes */
#endif /* #ifdef 0 */

/*
 * Defaults and limits for options
 */
#define	IP_DEFAULT_MULTICAST_TTL  1	/* normally limit m'casts to 1 hop  */
#define	IP_DEFAULT_MULTICAST_LOOP 1	/* normally hear sends if a member  */
#define	IP_MAX_MEMBERSHIPS	20	/* per socket */
#define	IP_MAX_SOURCE_FILTER	128	/* max number of MSF per group */
#define	SO_MAX_SOURCE_FILTER	64	/* max number of MSF per socket */

/*
 * Argument structure for IP_ADD_MEMBERSHIP and IP_DROP_MEMBERSHIP.
 */
struct ip_mreq {
	struct	in_addr imr_multiaddr;	/* IP multicast address of group */
	struct	in_addr imr_interface;	/* local IP address of interface */
};

#define	MCAST_INCLUDE		1	/* ip_msfilter's imsf_fmode value */
#define	MCAST_EXCLUDE		2	/* ip_msfilter's imsf_fmode value */

/*
 * Argument structure for IP_{BLOCK|UNBLOCK}_SOURCE and
 * IP_{ADD|DROP}_SOURCE_MEMBERSHIP.
 */
struct ip_mreq_source {
	struct	in_addr imr_multiaddr;	/* IP multicast address of group */
	struct	in_addr imr_sourceaddr;	/* source address of group */
	struct	in_addr imr_interface;	/* local IP address of interface */
};

/*
 * Argument structure for SIOCSIPMSFILTER.
 */
struct ip_msfilter {
	struct	in_addr imsf_multiaddr;	/* IP multicast address of group */
	struct	in_addr imsf_interface;	/* local IP address of interface */
	u_int32_t	imsf_fmode;	/* filter mode */
	u_int32_t	imsf_numsrc;	/* number of sources in src_list */
	struct	in_addr imsf_slist[1];	/* start of source list */
};

#define	IP_MSFILTER_SIZE(numsrc) \
	(sizeof(struct ip_msfilter) - sizeof(struct in_addr) \
	+ (numsrc) * sizeof(struct in_addr))

/*
 * Protocol-Independent Multicast Source Filter APIs
 */
struct group_req {
	u_int32_t			gr_interface;	/* interface index */
	struct	sockaddr_storage	gr_group;	/* group address */
};

struct group_source_req {
	u_int32_t			gsr_interface;	/* interface index */
	struct	sockaddr_storage	gsr_group;	/* group address */
	struct	sockaddr_storage	gsr_source;	/* source address */
};

struct group_filter {
	u_int32_t			gf_interface;	/* interface index */
	struct	sockaddr_storage	gf_group;	/* multicast address */
	u_int32_t			gf_fmode;	/* filter mode */
	u_int32_t			gf_numsrc;	/* number of sources */
	struct	sockaddr_storage	gf_slist[1];	/* source address */
};

#define GROUP_FILTER_SIZE(numsrc) \
	(sizeof(struct group_filter) - sizeof(struct sockaddr_storage) \
	+ (numsrc) * sizeof(struct sockaddr_storage))

/*
 * Argument for IP_PORTRANGE:
 * - which range to search when port is unspecified at bind() or connect()
 */
#define	IP_PORTRANGE_DEFAULT	0	/* default range */
#define	IP_PORTRANGE_HIGH	1	/* "high" - request firewall bypass */
#define	IP_PORTRANGE_LOW	2	/* "low" - vouchsafe security */

/* Packet reassembly stuff */
#define IPREASS_NHASH_LOG2      6
#define IPREASS_NHASH           (1 << IPREASS_NHASH_LOG2)
#define IPREASS_HMASK           (IPREASS_NHASH - 1)
#define IPREASS_HASH(x,y) \
	(((((x) & 0xF) | ((((x) >> 8) & 0xF) << 4)) ^ (y)) & IPREASS_HMASK)

#define RTQ_TIMEOUT	60*10	/* run no less than once every ten minutes */

/*
 * Definitions for inet sysctl operations.
 *
 * Third level is protocol number.
 * Fourth level is desired variable within that protocol.
 */
#define	IPPROTO_MAXID	(IPPROTO_AH + 1)	/* don't list to IPPROTO_MAX */

#define	CTL_IPPROTO_NAMES { \
	{ "ip", CTLTYPE_NODE }, \
	{ "icmp", CTLTYPE_NODE }, \
	{ "igmp", CTLTYPE_NODE }, \
	{ "ggp", CTLTYPE_NODE }, \
	{ 0, 0 }, \
	{ 0, 0 }, \
	{ "tcp", CTLTYPE_NODE }, \
	{ 0, 0 }, \
	{ "egp", CTLTYPE_NODE }, \
	{ 0, 0 }, \
	{ 0, 0 }, \
	{ 0, 0 }, \
	{ "pup", CTLTYPE_NODE }, \
	{ 0, 0 }, \
	{ 0, 0 }, \
	{ 0, 0 }, \
	{ 0, 0 }, \
	{ "udp", CTLTYPE_NODE }, \
	{ 0, 0 }, \
	{ 0, 0 }, \
	{ 0, 0 }, \
	{ 0, 0 }, \
	{ "idp", CTLTYPE_NODE }, \
	{ 0, 0 }, \
	{ 0, 0 }, \
	{ 0, 0 }, \
	{ 0, 0 }, \
	{ 0, 0 }, \
	{ 0, 0 }, \
	{ 0, 0 }, \
	{ 0, 0 }, \
	{ 0, 0 }, \
	{ 0, 0 }, \
	{ 0, 0 }, \
	{ 0, 0 }, \
	{ 0, 0 }, \
	{ 0, 0 }, \
	{ 0, 0 }, \
	{ 0, 0 }, \
	{ 0, 0 }, \
	{ 0, 0 }, \
	{ 0, 0 }, \
	{ 0, 0 }, \
	{ 0, 0 }, \
	{ 0, 0 }, \
	{ 0, 0 }, \
	{ 0, 0 }, \
	{ 0, 0 }, \
	{ 0, 0 }, \
	{ 0, 0 }, \
	{ 0, 0 }, \
	{ "ipsec", CTLTYPE_NODE }, \
	{ 0, 0 }, \
	{ 0, 0 }, \
	{ 0, 0 }, \
	{ 0, 0 }, { 0, 0 }, { 0, 0 }, { 0, 0 }, { 0, 0 }, \
	{ 0, 0 }, { 0, 0 }, { 0, 0 }, { 0, 0 }, { 0, 0 }, \
	{ 0, 0 }, { 0, 0 }, { 0, 0 }, { 0, 0 }, { 0, 0 }, \
	{ 0, 0 }, { 0, 0 }, { 0, 0 }, { 0, 0 }, { 0, 0 }, \
	{ 0, 0 }, { 0, 0 }, { 0, 0 }, { 0, 0 }, { 0, 0 }, \
	{ 0, 0 }, { 0, 0 }, { 0, 0 }, { 0, 0 }, { 0, 0 }, \
	{ 0, 0 }, { 0, 0 }, { 0, 0 }, { 0, 0 }, { 0, 0 }, \
	{ 0, 0 }, { 0, 0 }, { 0, 0 }, { 0, 0 }, { 0, 0 }, \
	{ 0, 0 }, { 0, 0 }, { 0, 0 }, { 0, 0 }, { 0, 0 }, \
	{ 0, 0 }, \
	{ 0, 0 }, \
	{ 0, 0 }, \
	{ "pim", CTLTYPE_NODE }, \
}

/*
 * Names for IP sysctl objects
 */
#define	IPCTL_FORWARDING	1	/* act as router */
#define	IPCTL_SENDREDIRECTS	2	/* may send redirects when forwarding */
#define	IPCTL_DEFTTL		3	/* default TTL */
#ifdef notyet
#define	IPCTL_DEFMTU		4	/* default MTU */
#endif
#define IPCTL_RTEXPIRE		5	/* cloned route expiration time */
#define IPCTL_RTMINEXPIRE	6	/* min value for expiration time */
#define IPCTL_RTMAXCACHE	7	/* trigger level for dynamic expire */
#define	IPCTL_SOURCEROUTE	8	/* may perform source routes */
#define	IPCTL_DIRECTEDBROADCAST	9	/* may re-broadcast received packets */
#define IPCTL_INTRQMAXLEN	10	/* max length of netisr queue */
#define	IPCTL_INTRQDROPS	11	/* number of netisr q drops */
#define	IPCTL_STATS		12	/* ipstat structure */
#define	IPCTL_ACCEPTSOURCEROUTE	13	/* may accept source routed packets */
#define	IPCTL_FASTFORWARDING	14	/* use fast IP forwarding code */
#define	IPCTL_KEEPFAITH		15	/* FAITH IPv4->IPv6 translater ctl */
#define	IPCTL_GIF_TTL		16	/* default TTL for gif encap packet */
#define	IPCTL_MAXID		17

#define	IPCTL_NAMES { \
	{ 0, 0 }, \
	{ "forwarding", CTLTYPE_INT }, \
	{ "redirect", CTLTYPE_INT }, \
	{ "ttl", CTLTYPE_INT }, \
	{ "mtu", CTLTYPE_INT }, \
	{ "rtexpire", CTLTYPE_INT }, \
	{ "rtminexpire", CTLTYPE_INT }, \
	{ "rtmaxcache", CTLTYPE_INT }, \
	{ "sourceroute", CTLTYPE_INT }, \
 	{ "directed-broadcast", CTLTYPE_INT }, \
	{ "intr-queue-maxlen", CTLTYPE_INT }, \
	{ "intr-queue-drops", CTLTYPE_INT }, \
	{ "stats", CTLTYPE_STRUCT }, \
	{ "accept_sourceroute", CTLTYPE_INT }, \
	{ "fastforwarding", CTLTYPE_INT }, \
}

/* INET6 stuff, temporary workaround */
#define	__KAME_NETINET_IN_H_INCLUDED_
#include <netinet6/in6.h>
#undef __KAME_NETINET_IN_H_INCLUDED_

#ifdef _WRS_KERNEL
struct ifnet;	/* forward declarations for Standard C */

int	 in_broadcast __P((struct in_addr, struct ifnet *));
int	 in_canforward __P((struct in_addr));
_WRS_FASTTEXT
int	 in_cksum __P((struct mbuf *, int));
int	 in_localaddr __P((struct in_addr));
void     inet_ntoa_b __P((struct in_addr, char *));
char 	*inet_ntoa __P((struct in_addr)); /* in libkern */

struct in_ifaddr *in_ifexists_ifa __P((struct ifnet *));

void in_socktrim __P((struct sockaddr_in *));

#define satosin(sa)	((struct sockaddr_in *)(sa))
#define sintosa(sin)	((struct sockaddr *)(sin))
#define ifatoia(ifa)	((struct in_ifaddr *)(ifa))

#endif /* _WRS_KERNEL */

#ifdef __cplusplus
}
#endif
    
#endif
